/**
 * Migration: 022 - feedback_event comment (HTTP client text feedback)
 * Version: 22.0
 */
import type Database from 'better-sqlite3';
import type { Migration } from '../types.js';
export declare class FeedbackEventCommentMigration implements Migration {
    version: string;
    name: string;
    description: string;
    private tableExists;
    private columnExists;
    validateBefore(_db: Database.Database): Promise<void>;
    up(db: Database.Database): Promise<void>;
    down(db: Database.Database): Promise<void>;
    validateAfter(db: Database.Database): Promise<void>;
}
export default FeedbackEventCommentMigration;
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